esp32/esp8266 get hardware infor (RAM/ROM)

hardware-esp8266.ino

#include <WiFi.h>
//#include <ESP8266WiFi.h>

void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  Serial.println("Hello, ESP32!");
  printHardwareInfo();
  printBoardName();
  printMacIp();
}

void loop() {
  // put your main code here, to run repeatedly:
  delay(10); // this speeds up the simulation
}

void printHardwareInfo() {
  uint32_t flashSize = ESP.getFlashChipSize();// Tổng dung lượng bộ nhớ Flash
  uint32_t freeHeap = ESP.getFreeHeap();// Dung lượng RAM còn trống
  //uint32_t chipId = ESP.getChipId();
  uint32_t chipMode = ESP.getFlashChipMode();
  //Serial.println(chipId);

  Serial.println("Hardware Information:");
  Serial.print("  Flash chip size: ");
  Serial.print(flashSize / 1024 / 1024);
  Serial.println("MB");

  uint32_t sketchSize = ESP.getSketchSize(); //code và data đang dùng
  //Serial.print("  Sketch size: ");
  Serial.print("  Flash chip size use: ");
  Serial.print(sketchSize / 1024 );
  
  Serial.println(" KB");


  uint32_t totalRAMSize = ESP.getHeapSize();//Tổng dung lượng RAM
  

  Serial.print("  Total RAM size: ");
  Serial.print(totalRAMSize / 1024); // Chuyển từ byte sang kilobyte
  Serial.println("KB");

  Serial.print("  Total RAM Free heap size: ");
  Serial.print(freeHeap / 1024 );
  Serial.println("KB");
 // Serial.print("  Chip ID: 0x");
 // Serial.println(chipId, HEX);
 //uint32_t readChipSize = ESP.getFlashChipRealSize(); //real chip size
//  Serial.print("  Real chip size: ");
//  Serial.print(freeHeap / 1024 );
//  Serial.println("KB");
 
 uint32_t getCpuFreqMHz = ESP.getCpuFreqMHz(); //real chip size
 Serial.print("  getCpuFreqMHz: ");
 Serial.println(getCpuFreqMHz );
 Serial.print("  getSdkVersion: ");
 Serial.println(ESP.getSdkVersion());

}

void printBoardName() {
  #ifdef ARDUINO_ARCH_ESP32
    Serial.println("  Board: ESP32");
  #endif

  #ifdef ESP8266
    Serial.println("  Board: ESP8266");
  #endif

  #if defined(BOARD_ESP01)
    Serial.println("  Board: ESP-01");
  #elif defined(BOARD_ESP07)
    Serial.println("  Board: ESP-07");
  #elif defined(BOARD_ESP12)
    Serial.println("  Board: ESP-12");
  #elif defined(BOARD_ESP12E)
    Serial.println("  Board: ESP-12E");
  #elif defined(BOARD_ESP201)
    Serial.println("  Board: ESP-201");
  #elif defined(BOARD_ESP8266_GENERIC)
    Serial.println("  Board: Generic ESP8266 module");
  #else
    //Serial.println("Board: Unknown");
  #endif
}

void printMacIp() {
  Serial.print("  MAC address: ");
  Serial.println(WiFi.macAddress());
}

z-example-result.txt

Hardware Information:
  Flash chip size: 4MB
  Flash chip size use: 263 KB
  Total RAM size: 366KB
  Total RAM Free heap size: 341KB
  getCpuFreqMHz: 240
  getSdkVersion: v4.4.6-dirty
  Board: ESP32
  MAC address: 24:0A:C4:00:01:10

NodeMCU
1 process upload code

. Variables and constants in RAM (global, static), used 38036 / 80192 bytes (47%)
║ SEGMENT BYTES DESCRIPTION
╠══ DATA 1628 initialized variables
╠══ RODATA 9376 constants
╚══ BSS 27032 zeroed variables
. Instruction RAM (IRAM_ATTR, ICACHE_RAM_ATTR), used 60867 / 65536 bytes (92%)
║ SEGMENT BYTES DESCRIPTION
╠══ ICACHE 32768 reserved space for flash instruction cache
╚══ IRAM 28099 code in IRAM
. Code in flash (default, ICACHE_FLASH_ATTR), used 438464 / 1048576 bytes (41%)
║ SEGMENT BYTES DESCRIPTION
╚══ IROM 438464 code in flash
esptool.py v3.0
Serial port COM33
Connecting....
Chip is ESP8266EX
Features: WiFi
Crystal is 26MHz
MAC: d8:bf:c0:10:56:b2
Uploading stub...
Running stub...
Stub running...
Configuring flash size...
Auto-detected Flash size: 4MB
Compressed 481712 bytes to 349701...
Writing at 0x00000000... (4 %)
Writing at 0x00004000... (9 %)
Writing at 0x00008000... (13 %)
Writing at 0x0000c000... (18 %)
Writing at 0x00010000... (22 %)
Writing at 0x00014000... (27 %)
Writing at 0x00018000... (31 %)
Writing at 0x0001c000... (36 %)
Writing at 0x00020000... (40 %)
Writing at 0x00024000... (45 %)
Writing at 0x00028000... (50 %)
Writing at 0x0002c000... (54 %)
Writing at 0x00030000... (59 %)
Writing at 0x00034000... (63 %)
Writing at 0x00038000... (68 %)
Writing at 0x0003c000... (72 %)
Writing at 0x00040000... (77 %)
Writing at 0x00044000... (81 %)
Writing at 0x00048000... (86 %)
Writing at 0x0004c000... (90 %)
Writing at 0x00050000... (95 %)
Writing at 0x00054000... (100 %)
Wrote 481712 bytes (349701 compressed) at 0x00000000 in 30.7 seconds (effective 125.7 kbit/s)...
Hash of data verified.

Leaving...
Hard resetting via RTS pin...